Semiconductor device manufacturing: process – Coating of substrate containing semiconductor region or of... – Insulative material deposited upon semiconductive substrate
Reexamination Certificate
2006-01-31
2006-01-31
Lindsay, Jr., Walter L. (Department: 2812)
Semiconductor device manufacturing: process
Coating of substrate containing semiconductor region or of...
Insulative material deposited upon semiconductive substrate
C438S906000
Reexamination Certificate
active
06992023
ABSTRACT:
The invention provides methods and apparatus for drying the backside of semiconductor wafers in a spin-coating environment. Solvent is evaporatively dried from a semiconductor wafer held in a spin mechanism. The undried wafer is sprayed with one or more jets of pressurized gas from gas ports disposed about the spin mechanism.
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Brady III W. James
Keagy Rose Alyssa
Lindsay Jr. Walter L.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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